src/Renode/UI/TermsharpProvider.cs

//
// Copyright (c) 2010-2022 Antmicro
// Copyright (c) 2020-2021 Microsoft
//
// This file is licensed under the MIT License.
// Full license text is available in 'licenses/MIT.txt'.
//
using System;
using System.Threading;
using AntShell.Terminal;
using Antmicro.Renode.UI;
using Antmicro.Renode.Utilities;
using Xwt;

namespace Antmicro.Renode.UI
{
    public class TermsharpProvider : IConsoleBackendAnalyzerProvider, IDisposable
    {
        public bool TryOpen(string consoleName, out IIOSource ioSource, bool isMonitorWindow = false)
        {
            ApplicationExtensions.InvokeInUIThreadAndWait(() =>
            {
                terminalWidget = new TerminalWidget(() => window?.HasFocus ?? false, isMonitorWindow);
            });
            ioSource = terminalWidget.IOSource;

            var mre = new ManualResetEventSlim();
            ApplicationExtensions.InvokeInUIThread(() =>
            {
                window = new Window();
#if PLATFORM_WINDOWS
                window.Icon = Xwt.Drawing.Image.FromResource("renode_nobg.ico");
#endif
                window.Title = consoleName == null ? "Renode" : consoleName;
                // while these minimal values are not sane, we assume it's up to the user to decide
                window.Width = ConfigurationManager.Instance.Get("termsharp", "window-width", 700, x => x >= 0);
                window.Height = ConfigurationManager.Instance.Get("termsharp", "window-height", 400, x => x >= 0);
                var windowLocation = WindowPositionProvider.Instance.GetNextPosition();
                window.Location = windowLocation;
                window.Padding = new WidgetSpacing();
                window.Content = terminalWidget;
                terminalWidget.Initialized += mre.Set;
                window.Show();
                // window.Show() sets Location off screen if scaling > 100% on Windows
                window.Location = windowLocation;
                window.Closed += (sender, e) =>
                {
                    InnerOnClose();
                };
            });
            mre.Wait();

            return true;
        }

        public void Close()
        {
            var w = window;
            ApplicationExtensions.InvokeInUIThreadAndWait(() =>
            {
                terminalWidget.Close();
                if(w != null)
                {
                    w.Hide();
                }
            });
            w = null;
        }

        public void Dispose()
        {
            OnClose = null;
        }

        public event Action OnClose;

        private TerminalWidget terminalWidget;

        private void InnerOnClose()
        {
            OnClose?.Invoke();
        }

        private Xwt.Window window;
    }
}